Here's why the stand-alone Xbox One Rock Band 4 will cost $20 more than PlayStation 4 version

If you were going to buy the stand-alone Xbox One version of the upcoming music-based game Rock Band 4, be prepared to spend $20 more compared to the PlayStation 4 version. Developer Harmonix and publisher Mad Catz announced that the Xbox One version will cost $79.99 on its own, rather than the $59.99 price for the PlayStation 4 version.